Transition or transitional may refer to:

Mathematics, science, and technology

Biology

Transition (genetics) Transition, in genetics and molecular biology, refers to a point mutation that changes a purine nucleotide to another purine ( A ↔ G), or a pyrimidine nucleotide to another pyrimidine ( C ↔ T). Approximately two out of three single nucleot ...

, a point mutation that changes a purine nucleotide to another purine (A ↔ G) or a pyrimidine nucleotide to another pyrimidine (C ↔ T) *

Transitional fossil A transitional fossil is any fossilized remains of a life form that exhibits traits common to both an ancestral group and its derived descendant group. This is especially important where the descendant group is sharply differentiated by gross a ...

, any fossilized remains of a lifeform that exhibits the characteristics of two distinct taxonomic groups * A phase during childbirth contractions during which the cervix completes its dilation

Gender and sex

* Gender transitioning, the process of changing one's gender presentation to accord with one's internal sense of one's gender – the idea of what it means to be a man or woman *

Sex reassignment therapy Sex reassignment therapy or medical transition is the medical aspect of gender transition, that is, modifying one's sex characteristics to better suit one's gender identity. It can consist of hormone therapy to alter secondary sex characteris ...

, the physical aspect of a gender transition

Physics

Phase transition In chemistry, thermodynamics, and other related fields, a phase transition (or phase change) is the physical process of transition between one state of a medium and another. Commonly the term is used to refer to changes among the basic states o ...

, a transformation of the state of matter; for example, the change between a solid and a liquid, between liquid and gas or between gas and plasma *

Quantum phase transition In physics, a quantum phase transition (QPT) is a phase transition between different quantum phases ( phases of matter at zero temperature). Contrary to classical phase transitions, quantum phase transitions can only be accessed by varying a phys ...

, a phase transformation between different quantum phases * Quantum Hall transitions, a quantum phase transition that occurred because of the

Quantum Hall Effect The quantum Hall effect (or integer quantum Hall effect) is a quantized version of the Hall effect which is observed in two-dimensional electron systems subjected to low temperatures and strong magnetic fields, in which the Hall resistance exh ...

Transition radiation Transition radiation (TR) is a form of electromagnetic radiation emitted when a charged particle passes through inhomogeneous media, such as a boundary between two different media. This is in contrast to Cherenkov radiation, which occurs when a ch ...

, contrasts to the Cherenkov radiation *

Atomic electron transition Atomic electron transition is a change (or jump) of an electron from one energy level to another within an atom or artificial atom. It appears discontinuous as the electron "jumps" from one quantized energy level to another, typically in a few na ...

, the transition of an electron from one quantum state to another within an atom * Beta decay transition, nuclear beta decay determined by changes in spin *

Laminar–turbulent transition In fluid dynamics, the process of a laminar flow becoming turbulent is known as laminar–turbulent transition. The main parameter characterizing transition is the Reynolds number. Transition is often described as a process proceeding through a ...

, the process of a laminar fluid flow becoming turbulent * Glass transition, the reversible transition in amorphous materials *

Lambda transition The ''λ'' (lambda) universality class is a group in condensed matter physics. It regroups several systems possessing strong analogies, namely, superfluids, superconductors and smectics (liquid crystals). All these systems are expected to belong t ...

, universality class in condensed matter physics

Chemistry

Transition metal In chemistry, a transition metal (or transition element) is a chemical element in the d-block of the periodic table (groups 3 to 12), though the elements of group 12 (and less often group 3) are sometimes excluded. They are the elements that ca ...

, either an element whose atom has an incomplete d sub-shell, or any element in the d-block of the periodic table *

Transition state In chemistry, the transition state of a chemical reaction is a particular configuration along the reaction coordinate. It is defined as the state corresponding to the highest potential energy along this reaction coordinate. It is often marked ...

, of a chemical reaction is a particular configuration along the reaction coordinate * SRM transition, the precursor and product ion pair in

Selected reaction monitoring Selected reaction monitoring (SRM), also called Multiple reaction monitoring, (MRM), is a method used in tandem mass spectrometry in which an ion of a particular mass is selected in the first stage of a tandem mass spectrometer and an ion product ...

(SRM) in analytical chemistry

Computing

* A movement between states of an abstract computer, described by a

transition system In theoretical computer science, a transition system is a concept used in the study of computation. It is used to describe the potential behavior of discrete systems. It consists of states and transitions between states, which may be labeled wi ...

* A phase of the project lifecycle in the Rational Unified Process * A paradigm describing changes of communication mechanisms, see

Transition (computer science) Transition refers to a computer science paradigm in the context of communication systems which describes the change of communication mechanisms, i.e., functions of a communication system, in particular, service and protocol components. In a transit ...

Other uses in technology

* Transitions, a brand of photochromic eyeglass lens and sponsor of the PGA Tour Transitions Championship *

Transition (roadable aircraft) The Terrafugia Transition is a light sport, roadable airplane under development by Terrafugia since 2006. The Rotax 912ULS piston engine powered, carbon-fiber vehicle is planned to have a flight range of using either automotive premium gra ...

, a flying car (or drivable airplane) made by Terrafugia * "Shifting gears" on a railroad locomotive; see Diesel locomotive#Propulsion system operation

Government and politics

transition management (governance) Transition management is a governance approach that aims to facilitate and accelerate sustainability transitions through a participatory process of visioning, learning and experimenting. In its application, transition management seeks to bring to ...

social change Social change is the alteration of the social order of a society which may include changes in social institutions, social behaviours or social relations. Definition Social change may not refer to the notion of social progress or socio ...

, often synonymous with social transition

Arts and entertainment

Literature

Transition (fiction) Transitions in fiction are words, phrases, sentences, paragraphs, or punctuation that may be used to signal various changes in a story, including changes in time, location, point-of-view character, mood, tone, emotion, and pace. Transitions are s ...

, a narrative element or general aspects of writing style that signal changes in a story *

Transition (linguistics) A transition or linking word is a word or phrase that shows the relationship between paragraphs or sections of a text or speech. Transitions provide greater cohesion by making it more explicit or signaling how ideas relate to one another. Transiti ...

, a certain word, expression, or other device that gives text or speech greater cohesion by making it more explicit

Works

* ''Transition'' (literary journal), an experimental literary journal that featured surrealist, expressionist, and Dada art and artists * ''Transition'' (novel), a novel by Iain Banks * ''Transitions'' (novel series), a novel series by R A Salvatore * ''

Transition Magazine ''Transition Magazine'' was established in 1961 by Rajat Neogy as ''Transition Magazine: An International Review''. It was published from 1961 to 1976 in various countries on the African continent, and since 1991 in the United States. In recent y ...

'', a political and literary journal published from 1961 to 1976 on the African continent, and revived in 1991 in the United States *

Transitions Online Transitions Online (Transitions - formerly TOL) is a media development organization and online journal covering news and events in the 31 post-Communist countries of Eastern Europe, Central Europe, South Eastern Europe, Russia, the Baltics, the C ...

, Czech publisher of the ''Transitions'' news journal *''Transition'', a novel by Vonda N. McIntyre 1990 * The Transition

Weapons of Choice ''Weapons of Choice'' is a science fiction novel by Australian author John Birmingham, the first in his Axis of Time alternative history trilogy. Plot In 2021 off East Timor, a US-led multinational task force commanded by Admiral Phillip Kol ...

, the failed military experiment in John Birmingham's trilogy ''Axis of Time''

Film, radio, and television

Film transition A film transition is a technique used in the post-production process of film editing and video editing by which scenes or shots are combined. Most commonly this is through a normal cut to the next shot. Most films will also include selective u ...

, a method of juxtaposing two scenes, including: **

Wipe (transition) 300px, Examples of various wipe transitions In filmmaking, a wipe is a type of film transition where one shot replaces another by travelling from one side of the frame to another or with a special shape. If the wipe proceeds from two opposite ...

, a type of film transition where one shot replaces another by travelling from one side of the frame to another or with a special shape **

Dissolve (filmmaking) In the post-production process of film editing and video editing, a dissolve (sometimes called a lap dissolve) is a type of film transition in which one sequence fades over another. The terms fade-out (also called fade to black) and fade-i ...

, a gradual transition from one image to another * ''Transitions'' (film), the world's first IMAX film in 3D * Transitions (radio show), a weekly two-hour radio show on Kiss 100 in the UK * "Transitioning" (''Glee''), an episode of US television series ''Glee'' * "Transitions" (''Law & Order: Special Victims Unit'' episode), an episode of US television series ''Law & Order: Special Victims Unit'' * "Transition" (''The West Wing''), an episode of US television series ''The West Wing'' * "Transitions" (''The Wire''), an episode of US television series ''The Wire'' * "Transitions", an episode of US television series ''Without a Trace''

Music

Transition (music) A transition is a passage of music composed to link one section of music to another. Transitions often function as a moment of transformation and may, or may not in themselves, introduce new, musical material. Often in music, the transition is ...

, the middle passage of a piece of music * Transition (band), English indie rock band * The Transitions, American R&B group

Albums

* ''Transition'' (John Coltrane album), 1970 * ''Transition'' (The First Edition album), 1971 * ''Transition'' (Buddy Rich Lionel Hampton album), 1974 * ''Transition'' (John Miles album), 1985 * ''Transition'' (Fly to the Sky album), 2006 * ''Transition'' (Ryan Leslie album), 2009 * ''Transition'' (Chipmunk album), 2011 * ''Transition'' (Steve Lukather album), 2013 * ''Transition'' (Nathan Stickman album), Nathan Stickman, 2016 * ''Transitions'' (John Digweed album), 2006 * ''Transitions'' (Aghora album), 2006 * ''Transitions'' (Westbound Train album), 2006 * ''Transitions'' (EP), 2010 by Canadian post-hardcore band Silverstein

Songs

* "Transition", by Pestilence from ''

Obsideo ''Obsideo'' is the seventh studio album by Dutch death metal band Pestilence. It was released on October 21, 2013 via Candlelight Records. The album was produced by the vocalist/guitarist Patrick Mameli, and their last before their two-year h ...

'', 2013 * "Transition", by Theatre Of Tragedy from ''

Forever Is the World ''Forever Is the World'' is the seventh and final studio album by the Norwegian gothic metal band Theatre of Tragedy. It was released on 18 September 2009, on AFM Records. The album was produced by the Zeromancer singer Alexander Møklebust and ...

'', 2009 * "The Transition", by Hawthorne Heights from '' The Silence in Black and White'', 2004 * "Transitions", by Beastie Boys from ''

Ill Communication ''Ill Communication'' is the fourth studio album by American hip-hop group Beastie Boys, released by Grand Royal Records on May 31, 1994. Co-produced by Beastie Boys and Mario Caldato, Jr., it is among the band's most varied releases, drawing from ...

'', 1994 * "Transitions", by Zao from ''

The Crimson Corridor ''The Crimson Corridor'' is the eleventh studio album by American metalcore band Zao. The album was released on April 9, 2021, through Observed/Observer Recordings, the band's own record label. Recording and lyrics The album began the recording ...

'', 2021

Other arts

Transitional Style In interior design and furniture design, Transitional Style refers to a contemporary style mixing traditional and modern styles, incorporating old world traditional and the world of chrome and glass contemporary. Features The style combines cur ...

, of furniture and interior design

Politics

Peaceful transition of power A peaceful transition or transfer of power is a concept important to democratic governments in which the leadership of a government peacefully hands over control of government to a newly-elected leadership. This may be after elections or during t ...

a norm or practice in democratic governments, of transitions of power between different political parties. *

United States presidential transition In the United States, a presidential transition is the process during which the president-elect of the United States prepares to take over the administration of the federal government of the United States from the incumbent president. Though p ...

, the transfer of federal executive branch power from the incumbent President of the United States to the president-elect.

Sport

Transition (grappling) A transition in grappling is a move from one grappling hold or grappling position to another. The process is called transitioning and is one of the most important aspects of ground grappling, as it allows the combatant performing the transition t ...

, in grappling is a move from one grappling hold or grappling position to another * Transitions Championship, a men's professional golf tournament on the PGA Tour

Other uses

* Transition Glacier, a glacier on the east coast of Alexander Island * Care transition, wherein a patient changes health care provider